You are the Guesser in a Twenty Questions benchmark. Identify the hidden subject using as few counted turns as possible. BEGIN provides only its broad category. The variation_token has no clues; do not interpret, mention, or repeat it. The category in BEGIN has a broad meaning: - person: a real human, living or historical. - fictional_character: an invented character from a story, book, comic, film, television, game, or another fictional work. - mythological_figure: a figure from mythology or traditional legend. - video_game_character: a character known from video games. - thing: a broad category covering natural and human-made entities, living or nonliving, whole entities or parts of them. Possibilities include everyday objects, tools, machines, materials, food, animals, plants, body parts, natural structures, geographical features, celestial bodies, natural phenomena, and concepts. These possibilities are not exhaustive. The target may be a general kind or one particular instance. Use questions to narrow the supplied category. These definitions are not a list of targets. Use ASK for a factual question that distinguishes candidates. Never use ASK to confirm a specific identity. Use GUESS with a name and short identifying description to name a candidate. ASK has five possible replies: - YES or NO: the evidence establishes that answer to the exact question. - RATHER_YES or RATHER_NO: evidence leans that way, but is not strong enough for a firm answer. Treat this as a clue; keep candidates fitting the opposite answer possible. - UNKNOWN: no reliable direction. It supports neither answer. Ask clear questions about verifiable properties. "Can", "sometimes", "usually", "always", and "mainly" ask different things. Do not assume that one property proves another or rules out alternatives. Qualified replies express uncertainty about your question, not how often a property applies. Before narrowing heavily, check your key assumption with a different property. After rejected guesses, reconsider earlier assumptions as well as candidates. Answers can be mistaken; check another property when stuck. Do not ignore an answer merely because it conflicts with a preferred candidate. Each ASK, rejected GUESS, or format error before the limit costs one turn. A correct GUESS costs none. After 40 counted turns, make one final GUESS; ASK is then forbidden. Identity validation uses only YES, NO, or UNKNOWN. UNKNOWN on GUESS ends the game without success. FORMAT_ERROR means your output broke the contract, was not checked for correctness, and cost one turn. Retry using its displayed formats if a turn remains. Return only the required JSON object with exactly one result action. No explanations, reasoning, or extra fields.
- Questions
- 14
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 3m 19s
- Round cost
- $0.1288 All 15 turns
Transcript
Questions and answers.
Turns are shown in the order they happened. Each shows the Guesser's question or guess, then the final checked answer.
Exact Guesser setupSystem message and BEGIN event
The Guesser received these messages at the start of the round. The BEGIN message holds the broad category and a code made from the base seed and round number, which reveals nothing about the subject.
{"category":"thing","event":"BEGIN","variation_token":"EAQCORIU"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
Q1
1 · Guesser asks
Is it a physical, tangible object?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical, tangible object?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Cambridge defines eyebrow as “the line of short hairs above each eye in humans.”Open dictionary.cambridge.org (opens in a new tab)
Merriam-Webster's medical definition describes an eyebrow as “the ridge over the eye or the hair growing usually in a line or arch on the skin over it.”Open merriam-webster.com (opens in a new tab)
2 · Answer check returns Yes
Q2
1 · Guesser asks
Is it primarily man-made?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily man-made?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The eyebrow is the arch of hair on the brow.
Open elementsofmorphology.nih.gov (opens in a new tab)Source summary (model-reported)
The area of curved, delicate hairs above our eyes are believed to channel unwanted moisture—sweat and rain in particular—away from the eye. They also help to block out light and filter dust and dirt that may fall into the eyes.
Open aao.org (opens in a new tab)Source summary (model-reported)
Eyebrow hair serves many important biologic and aesthetic functions. This article reviews the structure and function of the hair follicle, as well as hair follicle morphogenesis and cycling.
Open pubmed.ncbi.nlm.nih.gov (opens in a new tab) 2 · Answer check returns No
Q3
1 · Guesser asks
Is it a living organism or derived from one?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a living organism or derived from one?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The NIH definition states: “Eyebrow: The arch of hair on the brow.” It identifies the eyebrow as a feature of the human periorbital region.
Open elementsofmorphology.nih.gov (opens in a new tab)Cambridge defines eyebrow as “the line of short hairs above each eye in humans.”Open dictionary.cambridge.org (opens in a new tab)
Source summary (model-reported)
The PubMed abstract describes eyebrow hair as biological hair and discusses its hair follicles, structure, and growth cycle.
Open pubmed.ncbi.nlm.nih.gov (opens in a new tab) 2 · Answer check returns Yes
Q4
1 · Guesser asks
Does it belong to or come from the animal kingdom?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it belong to or come from the animal kingdom?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Modern humans belong to the species Homo sapiens... Humans can move on their own and are placed in the animal kingdom.
Open bio.libretexts.org (opens in a new tab)Source summary (model-reported)
Eyebrows, the strip of thick, delicate hairs following the brow ridge above the eye... The human eyebrow, with its contrasting hair, accentuates the movement of the brow.
Open carta.anthropogeny.org (opens in a new tab) 2 · Answer check returns Yes
Q5
1 · Guesser asks
Is it an entire living animal rather than an animal part or product?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it an entire living animal rather than an animal part or product?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The NIH Elements of Morphology page defines the eyebrow as “the arch of hair on the brow” and describes its parts and relation to the eye.
Open elementsofmorphology.nih.gov (opens in a new tab) 2 · Answer check returns No
Q6
1 · Guesser asks
Is it an anatomical body part of an animal?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it an anatomical body part of an animal?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Eyebrow: The arch of hair on the brow ... The eyebrow is sometimes referred to as the supercilium.
Open elementsofmorphology.nih.gov (opens in a new tab)the line of short hairs above each eye in humansOpen dictionary.cambridge.org (opens in a new tab)
2 · Answer check returns Yes
Q7
1 · Guesser asks
Is this body part naturally present in humans?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this body part naturally present in humans?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The anatomy of the various structures is described in more detail below. ... Eyebrow: The arch of hair on the brow.
Open elementsofmorphology.nih.gov (opens in a new tab)As humans have evolved, our body hair and facial hair have diminished over time. But eyebrows and eyelashes remained a core part of our features.Open aao.org (opens in a new tab)
2 · Answer check returns Yes
Q8
1 · Guesser asks
Is it normally located entirely inside the body?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it normally located entirely inside the body?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Brow: The soft tissue at the junction of the frontalis and orbicularis oculi muscles, overlying the bony supraorbital ridge. Eyebrow: The arch of hair on the brow. The eyebrows usually extend further laterally than medially, in relation to the eye.Open elementsofmorphology.nih.gov (opens in a new tab)
Source summary (model-reported)
The male eyebrow sits along the supraorbital ridge and has a flat contour. The study measured the eyebrow's location relative to the pupil, lateral canthus, and depth of the supraorbital rim.
Open europepmc.org (opens in a new tab) 2 · Answer check returns No
Q9
1 · Guesser asks
Is it located on the human head or face?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it located on the human head or face?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Eyebrow: The arch of hair on the brow. The anatomy page identifies this feature within the periorbital region.
Open elementsofmorphology.nih.gov (opens in a new tab)Your eyebrows are the curved areas of hair on your face above each of your eyes.Open vocabulary.com (opens in a new tab)
2 · Answer check returns Yes
Q10
1 · Guesser asks
Is it primarily a sensory organ or structure directly associated with seeing, hearing, or smelling?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily a sensory organ or structure directly associated with seeing, hearing, or smelling?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The main function of the eyebrows is to prevent moisture, mostly salty sweat and rain, from flowing into the eye, an organ critical to sight. ... Together with the eyebrows, the brow ridges also shade the eyes from sunlight.
Open wikidoc.org (opens in a new tab) 2 · Answer check returns Rather yes
Q11
1 · Guesser asks
Does a typical human have two of this body part?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does a typical human have two of this body part?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Human beings have a single eye brow above each eye.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Eyebrow: The arch of hair on the brow.Open elementsofmorphology.nih.gov (opens in a new tab)
Genetics are the most responsible for whether you have two distinct eyebrows or a single connected brow (referred to as a “unibrow”).Open atlanticeyeinstitute.com (opens in a new tab)
2 · Answer check returns Yes
Q12
1 · Guesser asks
Is it primarily associated with vision or the visual system?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily associated with vision or the visual system?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The eyebrow is an area of thick, short hairs above the eye. The main function is to prevent sweat, water, and other debris falling into the eye, but they are also important to human communication and facial expressions. The eyebrows, eyelids, eyelashes, lacrimal gland and drainage apparatus all play a crucial role with regard to globe protection, lubrication, and minimizing the risk of ocular infection.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The main function of the eyebrows is to prevent moisture, mostly salty sweat and rain, from flowing into the eye, an organ critical to sight. Together with the eyebrows, the brow ridges also shade the eyes from sunlight. Eyebrows also prevent debris such as dandruff and other small objects from falling into the eyes.
Open wikidoc.org (opens in a new tab) 2 · Answer check returns Rather yes
Q13
1 · Guesser asks
Does this body part consist primarily of hair?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this body part consist primarily of hair?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
An eyebrow is an area of short terminal hairs above each eye that follows the shape of the lower margin of the brow ridges of some mammals.Open en.wikipedia.org (opens in a new tab)
Eyebrow: The arch of hair on the brow.Open elementsofmorphology.nih.gov (opens in a new tab)
Source summary (model-reported)
The article reviews the biology, structure, and function of eyebrow hair, noting that eyebrow hair follicles share the same basic structure as hair follicles elsewhere on the body.
Open pubmed.ncbi.nlm.nih.gov (opens in a new tab) 2 · Answer check returns Yes
Q14
1 · Guesser asks
Is it located on the ridge above the eye socket?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it located on the ridge above the eye socket?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Conclusions: The male eyebrow sits along the supraorbital ridge and has a flat contour. The study examined the eyebrow's three-dimensional relation to the eye and the supraorbital rim.
Open pubmed.ncbi.nlm.nih.gov (opens in a new tab)Source summary (model-reported)
The brow ridge, or supraorbital ridge ... is a bony ridge located above the eye sockets ... In humans, the eyebrows are located on their lower margin.
Open en.wikipedia.org (opens in a new tab) 2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Eyebrow
The strip of hair growing above each eye socket on the human face
Validator rationale The proposal identifies the general human eyebrow, the anatomical feature of short hairs above the eye. It does not substitute an isolated hair, eye, cosmetic, or imitation.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"The strip of hair growing above each eye socket on the human face","name":"Eyebrow","question":null}} 2 · Validator returns Yes